Irwin, The Prehistoric Exploration and Colonisation of the Pacific (1992) — target angle/detectability models

Cited in the triage of conjecture 'Detectability-ordered Polynesia' (slug: cj-097-detectability-ordered-polynesia), verdict=leaked -- this connection already exists in the literature. Citation note: The core join; standard reference Triage rationale: Island detectability/target size as the structuring variable of Pacific colonization is established: Irwin's navigation-strategy models are built on target angle and screen effects (bird range, cloud, swell), and modern seafaring simulations (shortest-hop PNAS work) model settlement order computationally. The harvest's radiocarbon-versus-detectability-index regression would be an incremental test of a published theory, not a new connection.